Is CVE-2012-0391 actively exploited?

CVE-2012-0391 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2012-0391?

CVE-2012-0391 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2012-0391?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2012-0391.

Fix CVE-2012-0391 - CRITICAL apache struts

Description

The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter values as OGNL expressions during certain exception handling for mismatched data types of properties, which allows remote attackers to execute arbitrary Java code via a crafted parameter.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-20 · Improper Input Validation CWE-94 · Code Injection

Metadata

Primary Vendor: APACHE
Published: 1/8/2012
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2012-0391

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary